/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 20:11:20,664 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 20:11:20,667 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 20:11:20,694 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 20:11:20,694 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 20:11:20,696 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 20:11:20,697 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 20:11:20,699 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 20:11:20,701 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 20:11:20,702 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 20:11:20,703 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 20:11:20,705 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 20:11:20,705 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 20:11:20,706 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 20:11:20,707 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 20:11:20,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 20:11:20,710 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 20:11:20,711 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 20:11:20,713 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 20:11:20,716 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 20:11:20,719 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 20:11:20,721 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 20:11:20,723 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 20:11:20,724 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 20:11:20,728 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 20:11:20,730 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 20:11:20,730 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 20:11:20,733 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 20:11:20,733 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 20:11:20,734 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 20:11:20,736 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 20:11:20,737 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 20:11:20,738 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 20:11:20,739 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 20:11:20,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 20:11:20,741 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 20:11:20,742 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 20:11:20,742 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 20:11:20,742 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 20:11:20,752 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 20:11:20,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 20:11:20,754 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 20:11:20,803 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 20:11:20,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 20:11:20,805 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 20:11:20,805 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 20:11:20,806 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 20:11:20,806 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 20:11:20,806 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 20:11:20,806 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 20:11:20,807 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 20:11:20,807 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 20:11:20,808 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 20:11:20,808 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 20:11:20,808 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 20:11:20,809 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 20:11:20,809 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 20:11:20,809 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 20:11:20,809 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 20:11:20,809 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 20:11:20,810 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 20:11:20,810 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 20:11:20,810 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 20:11:20,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 20:11:20,811 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 20:11:20,811 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 20:11:20,811 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 20:11:20,811 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 20:11:20,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 20:11:20,812 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 20:11:20,812 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 20:11:20,812 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; [2020-09-24 20:11:21,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 20:11:21,324 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 20:11:21,327 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 20:11:21,329 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 20:11:21,329 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 20:11:21,330 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product46.cil.c [2020-09-24 20:11:21,414 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/899217a56/80cb53c4bbf0412fb56d6cfdd04b6250/FLAGd25c7b1da [2020-09-24 20:11:22,052 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 20:11:22,053 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product46.cil.c [2020-09-24 20:11:22,070 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/899217a56/80cb53c4bbf0412fb56d6cfdd04b6250/FLAGd25c7b1da [2020-09-24 20:11:22,274 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/899217a56/80cb53c4bbf0412fb56d6cfdd04b6250 [2020-09-24 20:11:22,288 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 20:11:22,294 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 20:11:22,295 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 20:11:22,295 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 20:11:22,299 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 20:11:22,301 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:11:22" (1/1) ... [2020-09-24 20:11:22,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22589b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:11:22, skipping insertion in model container [2020-09-24 20:11:22,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:11:22" (1/1) ... [2020-09-24 20:11:22,314 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 20:11:22,373 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 20:11:22,746 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:11:22,762 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 20:11:22,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:11:23,012 INFO L208 MainTranslator]: Completed translation [2020-09-24 20:11:23,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:11:23 WrapperNode [2020-09-24 20:11:23,013 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 20:11:23,014 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 20:11:23,014 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 20:11:23,014 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 20:11:23,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:11:23" (1/1) ... [2020-09-24 20:11:23,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:11:23" (1/1) ... [2020-09-24 20:11:23,056 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:11:23" (1/1) ... [2020-09-24 20:11:23,056 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:11:23" (1/1) ... [2020-09-24 20:11:23,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:11:23" (1/1) ... [2020-09-24 20:11:23,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:11:23" (1/1) ... [2020-09-24 20:11:23,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:11:23" (1/1) ... [2020-09-24 20:11:23,153 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 20:11:23,154 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 20:11:23,154 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 20:11:23,154 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 20:11:23,162 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:11:23" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 20:11:23,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 20:11:23,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 20:11:23,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 20:11:23,265 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 20:11:23,265 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 20:11:23,265 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 20:11:23,265 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 20:11:23,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 20:11:23,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 20:11:23,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 20:11:23,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 20:11:23,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 20:11:23,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 20:11:23,267 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 20:11:23,267 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 20:11:23,267 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 20:11:23,267 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 20:11:23,267 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 20:11:23,268 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 20:11:23,268 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 20:11:23,268 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 20:11:23,268 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 20:11:23,269 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 20:11:23,269 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 20:11:23,269 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 20:11:23,269 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 20:11:23,269 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 20:11:23,270 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 20:11:23,270 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 20:11:23,270 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-24 20:11:23,270 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 20:11:23,270 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 20:11:23,270 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 20:11:23,271 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 20:11:23,271 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 20:11:23,271 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 20:11:23,271 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 20:11:23,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 20:11:23,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-24 20:11:23,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-24 20:11:23,272 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 20:11:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 20:11:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 20:11:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 20:11:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 20:11:23,273 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 20:11:23,273 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 20:11:23,273 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 20:11:23,273 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 20:11:23,273 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 20:11:23,273 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 20:11:23,274 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 20:11:23,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 20:11:23,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 20:11:23,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 20:11:23,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 20:11:23,274 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 20:11:23,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 20:11:23,275 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 20:11:23,275 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 20:11:23,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 20:11:23,275 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 20:11:23,275 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 20:11:23,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 20:11:23,276 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 20:11:23,276 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 20:11:23,276 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 20:11:23,276 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 20:11:23,276 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 20:11:23,276 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 20:11:23,277 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 20:11:23,277 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 20:11:23,277 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 20:11:23,277 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 20:11:23,277 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 20:11:23,277 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 20:11:23,278 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 20:11:23,278 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-24 20:11:23,278 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 20:11:23,278 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 20:11:23,278 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 20:11:23,278 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 20:11:23,279 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 20:11:23,279 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 20:11:23,279 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 20:11:23,279 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-24 20:11:23,279 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 20:11:23,279 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 20:11:23,280 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 20:11:23,280 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 20:11:23,280 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 20:11:23,280 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-24 20:11:23,280 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 20:11:23,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 20:11:23,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 20:11:23,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 20:11:24,453 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 20:11:24,457 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 20:11:24,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:11:24 BoogieIcfgContainer [2020-09-24 20:11:24,468 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 20:11:24,470 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 20:11:24,470 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 20:11:24,477 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 20:11:24,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 08:11:22" (1/3) ... [2020-09-24 20:11:24,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@314fcf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:11:24, skipping insertion in model container [2020-09-24 20:11:24,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:11:23" (2/3) ... [2020-09-24 20:11:24,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@314fcf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:11:24, skipping insertion in model container [2020-09-24 20:11:24,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:11:24" (3/3) ... [2020-09-24 20:11:24,483 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product46.cil.c [2020-09-24 20:11:24,497 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 20:11:24,510 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 20:11:24,535 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 20:11:24,582 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 20:11:24,582 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 20:11:24,582 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 20:11:24,582 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 20:11:24,582 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 20:11:24,583 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 20:11:24,584 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 20:11:24,584 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 20:11:24,630 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states. [2020-09-24 20:11:24,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-24 20:11:24,663 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:11:24,665 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:11:24,666 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:11:24,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:11:24,676 INFO L82 PathProgramCache]: Analyzing trace with hash -416095138, now seen corresponding path program 1 times [2020-09-24 20:11:24,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:11:24,692 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1865928413] [2020-09-24 20:11:24,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:11:25,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:25,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:25,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:27,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:27,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:29,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:30,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:30,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:30,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 20:11:30,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-24 20:11:30,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5197 [2020-09-24 20:11:30,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:30,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 20:11:30,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 20:11:30,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-24 20:11:30,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 14 [2020-09-24 20:11:31,092 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 20:11:31,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:11:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:31,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:31,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:31,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 20:11:31,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:31,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 282 [2020-09-24 20:11:31,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:31,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:11:31,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:31,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 20:11:31,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:11:31,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 20:11:31,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:31,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:31,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:31,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:11:31,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:31,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:11:31,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:31,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:11:31,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:31,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:11:31,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:31,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 20:11:31,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:31,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:31,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:31,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:11:31,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:31,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:11:31,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:31,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:11:31,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:31,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:11:31,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:11:31,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 20:11:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:31,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:31,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:31,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:11:31,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:31,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 20:11:31,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:31,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:11:31,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:31,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:11:31,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:31,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 20:11:31,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:31,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:31,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:31,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:11:31,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:31,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:11:31,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:31,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:11:31,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:31,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:11:31,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:31,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 20:11:31,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:31,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:31,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:31,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:11:31,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:31,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:11:31,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:31,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:11:31,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:31,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 20:11:31,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:31,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 20:11:31,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:31,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:31,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:31,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:11:31,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:31,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:11:31,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:31,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:11:31,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:31,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:11:31,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:31,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 20:11:31,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:31,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:31,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:31,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:11:31,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:31,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 20:11:31,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:31,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:11:31,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:31,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:11:31,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:11:31,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 20:11:31,696 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1865928413] [2020-09-24 20:11:31,698 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:11:31,699 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 20:11:31,700 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488950425] [2020-09-24 20:11:31,708 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 20:11:31,709 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:11:31,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 20:11:31,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 20:11:31,734 INFO L87 Difference]: Start difference. First operand 323 states. Second operand 9 states. [2020-09-24 20:11:32,469 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:11:33,780 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:11:34,090 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 20:11:34,472 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:11:34,816 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 20:11:35,116 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 20:11:36,154 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:11:36,459 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:11:36,813 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 20:11:37,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:11:37,715 INFO L93 Difference]: Finished difference Result 625 states and 766 transitions. [2020-09-24 20:11:37,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-24 20:11:37,724 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 148 [2020-09-24 20:11:37,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:11:37,751 INFO L225 Difference]: With dead ends: 625 [2020-09-24 20:11:37,751 INFO L226 Difference]: Without dead ends: 426 [2020-09-24 20:11:37,759 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2020-09-24 20:11:37,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2020-09-24 20:11:37,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 374. [2020-09-24 20:11:37,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2020-09-24 20:11:37,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 418 transitions. [2020-09-24 20:11:37,897 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 418 transitions. Word has length 148 [2020-09-24 20:11:37,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:11:37,898 INFO L479 AbstractCegarLoop]: Abstraction has 374 states and 418 transitions. [2020-09-24 20:11:37,898 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 20:11:37,898 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 418 transitions. [2020-09-24 20:11:37,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-09-24 20:11:37,903 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:11:37,903 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:11:37,903 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 20:11:37,904 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:11:37,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:11:37,904 INFO L82 PathProgramCache]: Analyzing trace with hash -1169116801, now seen corresponding path program 1 times [2020-09-24 20:11:37,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:11:37,905 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [589116603] [2020-09-24 20:11:37,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:11:37,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:38,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:38,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:38,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:42,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:42,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 271 [2020-09-24 20:11:42,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 20:11:42,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-09-24 20:11:42,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:42,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 20:11:42,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 211 [2020-09-24 20:11:42,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-24 20:11:42,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:11:43,286 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 20:11:43,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:11:43,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:43,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:43,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:43,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 20:11:43,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:43,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-09-24 20:11:43,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:43,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:11:43,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:43,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:11:43,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:43,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 20:11:43,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:43,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:43,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:43,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:11:43,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:43,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:11:43,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:43,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:11:43,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:43,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:11:43,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:43,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 20:11:43,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:43,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:43,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:43,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:11:43,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:43,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:11:43,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:43,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:11:43,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:43,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:11:43,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:43,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 20:11:43,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:43,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:43,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:43,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:11:43,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:43,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:11:43,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:43,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:11:43,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:43,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:11:43,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:11:43,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 20:11:43,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:43,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:43,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:43,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:11:43,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:43,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:11:43,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:43,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:11:43,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:43,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:11:43,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:43,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 20:11:43,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:43,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:43,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:43,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:11:43,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:43,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:11:43,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:43,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:11:43,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:43,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:11:43,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:11:43,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 20:11:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:43,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:43,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:43,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:11:43,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:43,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:11:43,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:43,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:11:43,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:43,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:11:43,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:43,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 20:11:43,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:43,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:43,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:44,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:44,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 20:11:44,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:11:44,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 941 [2020-09-24 20:11:44,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:44,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 20:11:44,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:44,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-09-24 20:11:44,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:11:44,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:11:44,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:44,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:44,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:45,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:45,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 20:11:45,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:11:45,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 865 [2020-09-24 20:11:45,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:45,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 20:11:45,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:45,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 20:11:45,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:45,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:11:45,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:45,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:45,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:45,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 20:11:45,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:45,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 20:11:45,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:45,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:11:45,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:45,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:11:45,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:45,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 20:11:45,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:45,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:45,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:45,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:11:45,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:45,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:11:45,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:45,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:11:45,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:45,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:11:45,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:45,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 20:11:45,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:45,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:45,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:45,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 20:11:45,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:45,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-09-24 20:11:45,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:45,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 20:11:45,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:45,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 20:11:45,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:45,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:11:45,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:45,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:45,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:45,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 20:11:45,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:45,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 20:11:45,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:45,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 20:11:45,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:45,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 20:11:45,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:45,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:11:45,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:45,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:45,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:45,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:11:45,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:45,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 20:11:45,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:45,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 20:11:45,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:45,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 20:11:45,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:11:45,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 20:11:45,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:45,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:45,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:45,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:11:45,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:45,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 20:11:45,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:45,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:11:45,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:45,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 20:11:45,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 20:11:45,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-24 20:11:45,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:45,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:45,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:45,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:11:45,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:45,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 20:11:45,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:45,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:11:45,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:11:45,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:11:45,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:11:45,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-09-24 20:11:45,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:45,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:45,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:11:45,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:11:45,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:11:45,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:11:45,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:11:45,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:11:45,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:11:45,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:11:45,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:11:45,933 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 20:11:45,933 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [589116603] [2020-09-24 20:11:45,934 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:11:45,934 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-09-24 20:11:45,934 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658056433] [2020-09-24 20:11:45,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-24 20:11:45,938 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:11:45,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-24 20:11:45,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-09-24 20:11:45,939 INFO L87 Difference]: Start difference. First operand 374 states and 418 transitions. Second operand 16 states. [2020-09-24 20:11:46,569 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:11:47,526 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:11:47,952 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 20:11:48,361 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:11:48,762 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 20:11:49,103 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:11:49,862 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:11:50,233 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:11:50,731 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:11:52,420 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:11:53,709 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:11:54,038 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-24 20:11:54,361 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-24 20:11:54,701 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-24 20:11:55,045 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 20:11:55,396 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-24 20:11:55,714 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-24 20:11:56,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:11:56,801 INFO L93 Difference]: Finished difference Result 1136 states and 1489 transitions. [2020-09-24 20:11:56,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-09-24 20:11:56,802 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 222 [2020-09-24 20:11:56,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:11:56,814 INFO L225 Difference]: With dead ends: 1136 [2020-09-24 20:11:56,814 INFO L226 Difference]: Without dead ends: 821 [2020-09-24 20:11:56,822 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 494 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=499, Invalid=1571, Unknown=0, NotChecked=0, Total=2070 [2020-09-24 20:11:56,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2020-09-24 20:11:56,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 571. [2020-09-24 20:11:56,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 571 states. [2020-09-24 20:11:56,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 646 transitions. [2020-09-24 20:11:56,959 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 646 transitions. Word has length 222 [2020-09-24 20:11:56,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:11:56,960 INFO L479 AbstractCegarLoop]: Abstraction has 571 states and 646 transitions. [2020-09-24 20:11:56,961 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-24 20:11:56,961 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 646 transitions. [2020-09-24 20:11:56,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2020-09-24 20:11:56,965 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:11:56,965 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:11:56,966 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 20:11:56,966 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:11:56,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:11:56,966 INFO L82 PathProgramCache]: Analyzing trace with hash 1050783967, now seen corresponding path program 1 times [2020-09-24 20:11:56,967 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:11:56,967 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [702577467] [2020-09-24 20:11:56,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:11:57,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:11:57,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:57,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:11:58,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:02,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:02,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 331 [2020-09-24 20:12:02,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 20:12:02,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5051 [2020-09-24 20:12:02,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:02,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 20:12:02,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 20:12:02,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 216 [2020-09-24 20:12:02,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:12:02,607 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 20:12:02,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:12:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:02,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:02,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:02,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 20:12:02,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:12:02,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 276 [2020-09-24 20:12:02,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:02,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:12:02,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:12:02,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 20:12:02,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:12:03,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 20:12:03,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:03,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:03,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:03,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:12:03,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:12:03,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:12:03,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:03,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:12:03,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:12:03,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:12:03,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:12:03,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 20:12:03,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:03,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:03,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:03,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:12:03,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:12:03,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:12:03,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:03,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:12:03,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:12:03,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:12:03,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:12:03,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 20:12:03,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:03,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:03,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:03,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:12:03,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:12:03,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 20:12:03,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:03,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:12:03,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:12:03,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:12:03,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:12:03,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 20:12:03,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:03,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:03,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:03,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:12:03,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:12:03,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:12:03,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:03,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:12:03,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:12:03,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:12:03,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:12:03,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 20:12:03,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:03,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:03,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:03,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:12:03,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:12:03,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 20:12:03,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:03,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:12:03,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:12:03,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 20:12:03,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:12:03,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 20:12:03,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:03,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:03,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:03,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:12:03,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:12:03,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 20:12:03,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:03,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:12:03,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:12:03,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 20:12:03,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 20:12:03,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 20:12:03,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:03,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:03,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:03,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:03,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-09-24 20:12:03,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:12:03,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 374 [2020-09-24 20:12:03,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:03,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 20:12:03,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 20:12:03,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:12:03,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:12:03,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:12:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:03,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:03,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:03,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 20:12:03,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:12:03,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-24 20:12:03,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:03,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 20:12:03,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 20:12:03,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:12:03,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:12:03,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:12:03,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:03,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:03,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:03,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 20:12:03,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:12:03,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-09-24 20:12:03,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:03,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 20:12:03,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 20:12:03,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:12:03,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:12:03,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:12:03,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:03,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:03,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:03,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 20:12:03,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:12:03,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-24 20:12:03,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:03,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:12:03,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:12:03,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 20:12:03,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:12:03,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 20:12:03,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:03,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:03,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:03,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:12:03,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:12:03,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:12:03,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:03,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:12:03,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:12:03,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:12:03,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:12:03,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 20:12:03,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:03,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:03,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:03,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 20:12:03,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:12:03,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 20:12:03,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:03,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:12:03,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 20:12:03,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:12:03,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:12:03,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:12:03,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:03,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:03,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:03,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 20:12:03,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:12:03,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:12:03,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:03,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:12:03,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:12:03,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:12:03,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:12:03,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:12:03,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:03,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:03,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:03,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:12:03,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:12:03,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 20:12:03,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:03,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:12:03,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:12:03,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:12:03,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:12:03,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 20:12:03,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:03,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:03,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:03,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:12:03,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:12:03,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:12:03,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:03,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:12:03,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:12:03,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:12:03,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:12:03,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-09-24 20:12:03,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:03,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:03,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:03,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 20:12:03,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:12:03,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:12:03,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:03,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:12:03,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 20:12:03,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:12:03,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:12:03,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:12:03,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:03,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:03,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:03,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:12:03,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:12:03,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:12:03,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:03,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:12:03,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:12:03,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:12:03,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:12:03,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-09-24 20:12:03,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:03,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:03,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:03,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 20:12:03,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:12:03,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 20:12:03,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:03,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:12:03,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:12:03,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 20:12:03,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:12:03,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-09-24 20:12:03,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:03,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:03,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:03,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:12:03,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:12:03,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:12:03,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:03,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:12:03,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:12:03,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 20:12:03,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:12:04,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-09-24 20:12:04,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:04,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:04,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:04,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:12:04,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:12:04,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:12:04,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:04,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 20:12:04,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 20:12:04,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 20:12:04,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:12:04,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-09-24 20:12:04,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:04,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:04,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:04,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:12:04,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:12:04,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:12:04,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:04,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:12:04,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:12:04,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:12:04,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:12:04,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-09-24 20:12:04,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:12:04,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:12:04,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:12:04,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:12:04,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:12:04,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:12:04,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:12:04,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:12:04,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:12:04,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:12:04,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:12:04,125 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-09-24 20:12:04,126 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [702577467] [2020-09-24 20:12:04,126 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 20:12:04,126 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-24 20:12:04,126 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463322660] [2020-09-24 20:12:04,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-24 20:12:04,128 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:12:04,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-24 20:12:04,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2020-09-24 20:12:04,129 INFO L87 Difference]: Start difference. First operand 571 states and 646 transitions. Second operand 16 states. [2020-09-24 20:12:04,729 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:12:06,243 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 20:12:06,637 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 20:12:06,971 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 20:12:07,313 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 20:12:07,668 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 20:12:08,008 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 20:12:10,939 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:12:11,292 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 20:12:11,634 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 20:12:11,996 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 190